Home / 992,777.80-1,489,166.70-827,440.60

Finding the Fourth Proportional to 992,777.80, 1,489,166.70 and 827,440.60

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Solution

The fourth proportional to 992,777.80, 1,489,166.70 and 827,440.60 is: 1,241,160.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,777.80 : 1,489,166.70 = 827,440.60 : x
  2. Step 2: Convert to fraction form
    992,777.80/1,489,166.70 = 827,440.60/x
  3. Step 3: Cross multiply
    992,777.80x = 1,489,166.70 × 827,440.60
  4. Step 4: Simplify right side
    992,777.80x = 1,232,196,987,748.02
  5. Step 5: Solve for x
    x = 1,232,196,987,748.02/992,777.80
  6. Step 6: Final answer
    x = 1,241,160.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.